graph Petersen
{
node
[
fontname = "Arial"
label = "\N"
shape = "circle"
width = "0.400000"
height = "0.400000"
color = "black"
]
edge
[
color = "black"
]
0 -- 1 -- 2 -- 3 -- 4 --0
[
color = "blue"
len = "2.6"
]
0 -- 5
[
color = "red"
weight = "5"
]
1 -- 6
[
color = "red"
weight = "5"
]
2 -- 7
[
color = "red"
weight = "5"
]
3 -- 8
[
color = "red"
weight = "5"
]
4 -- 9
[
color = "red"
weight = "5"
]
5 -- 7 -- 9 -- 6 -- 8 -- 5
}